[Openstack-stable-maint] Stable check of openstack/oslo.messaging for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/5c18f91a0cc74d0d8dbe32168efe49... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/993e94f05e414bb79ab03dde3ac56b88 : POST_FAILURE in 4m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/925efece10334c0caf4e368f912afda0 : POST_FAILURE in 5m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/577c25234aea403283c74eb2660fd9bd : SUCCESS in 5m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c623f0dbb2b2496cae64b022520e7b74 : FAILURE in 5m 55s